Mainspring Energy
Field Service Manager
Menlo Park, CA
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odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~45% per draw at Level III). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
Level III starts at $161,138 — $37,138 above the bottom of this range, and above its posted ceiling.
DOL prevailing wage, 2026-27 wage year · Computer Occupations, All Other (15-1299) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities.
- You will translate fleet performance objectives into effective field execution by ensuring the organization has the right people, skills, parts, tools, and resources available to safely execute planned and reactive maintenance.
- This role provides leadership and direction to Field Service Supervisors while maintaining accountability for fleet performance, workforce capability, resource utilization, and operational readiness.
Responsibilities
- Team Leadership: Directly manage, coach, and develop Supervisors.
- Develop supervisor capability, consistency, succession plans, and performance management practices
- drive action plans
- lead fleet performance reviews
- Fleet Performance: Monitor fleet availability and maintenance performance; identify reliability risks; ensure appropriate prioritization of reactive versus planned work; review downtime, repeat failures, extended repairs, and trends; drive action plans; lead fleet performance reviews; escalate significant risks with recommendations
- Personnel and Resource Management: Develop workforce plans based on fleet growth, maintenance demand, geography, and reactive workload.
- Identify staffing gaps, balance resources, manage subcontractor needs, participate in hiring, and develop training plans
- Identify capacity constraints, support outages and major campaigns, ensure critical-path activities have parts and labor, and support new site and fleet expansion planning
- Cross-Functional Operational Leadership: Bridge Field Service with Reliability Engineering, Product Engineering, Supply Chain, Logistics, Safety, Customer Operations, Manufacturing, Technical Support, Finance, and Fleet Operations.
- Drive closure of issues affecting fleet performance and incorporate field feedback into product and process improvements
Requirements
- Bachelor's degree in Mechanical Engineering, Electrical Engineering, Systems Engineering, or a related technical field
- Experience with generators, engines, turbines, electrical systems, energy storage, or complex electromechanical equipment.
- Experience supporting fleets of distributed assets
Nice to have
- Strongly Preferred Qualifications
Skills
- Pragmatic Optimism
- Excellence without Ego
- Proactive Collaboration
Compensation
- This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future.
Benefits
- Evaluate technician capacity, skills, certifications, and coverage.
This listing is sourced directly from Mainspring Energy's careers page and normalized into a canonical job model.